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k

thanks for your reply

Is there a way to sort this out?

k

j

j

thanks alot for your response.
What does that exactly do, does it add a dummy variable for every country??

j

Hi all, i hope someone can help Basically i have a time series of bid-ask spreads for a stock- around 400 observations. I want to regree bid-ask spreads on volatility and also a dummy variable corresponding to when a piece of legislation came in. I Want to infer whether the spreads got bigger or sma...